Invention Application
- Patent Title: Fail safe membrane switches
- Patent Title (中): 故障安全薄膜开关
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Application No.: US11418641Application Date: 2006-05-05
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Publication No.: US20080202911A1Publication Date: 2008-08-28
- Inventor: Henry G. Weber , Manuel Estrada , John Rowe , Jeffrey F. Johnson , Edward W. Duhon
- Applicant: Henry G. Weber , Manuel Estrada , John Rowe , Jeffrey F. Johnson , Edward W. Duhon
- Assignee: Weber Precision Graphics
- Current Assignee: Weber Precision Graphics
- Main IPC: H01H1/06
- IPC: H01H1/06 ; H01H13/70
Abstract:
Membrane switches have at least one trace with two leads, such that its integrity can be tested during deployment of the switch.
Public/Granted literature
- US07645956B2 Fail safe membrane switches Public/Granted day:2010-01-12
Information query
